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Exocrine pancreatic function after total gastrectomy in rat.

Naoki Hashimoto1

  • 1Kinki University, Department of Surgery, Osaka, Japan. Hashiline@aol.com

Hepato-Gastroenterology
|December 3, 2009
PubMed
Summary
This summary is machine-generated.

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Total gastrectomy in rats led to severe exocrine pancreatic insufficiency, indicated by reduced pancreatic growth and digestive enzyme levels. These findings highlight the stomach's crucial role in regulating pancreatic function.

Area of Science:

  • Gastroenterology
  • Surgical Research
  • Physiology

Background:

  • Total gastrectomy is associated with maldigestion and weight loss in patients.
  • The underlying mechanisms for post-gastrectomy digestive issues remain unclear.
  • This study investigates the impact of total gastrectomy on pancreatic function.

Purpose of the Study:

  • To determine the effect of total gastrectomy on pancreatic function in a rat model.
  • To investigate potential mechanisms of maldigestion following stomach removal.

Main Methods:

  • Rats underwent either total gastrectomy with esophago-duodenal anastomosis or sham operations.
  • Pancreatic tissue was analyzed four weeks post-surgery for weight, DNA, total protein, amylase, and lipase.
  • Quantitative measurements assessed pancreatic growth and enzyme production.

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Published on: August 7, 2015

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Surgical Injury to the Mouse Pancreas through Ligation of the Pancreatic Duct as a Model for Endocrine and Exocrine Reprogramming and Proliferation
07:44

Surgical Injury to the Mouse Pancreas through Ligation of the Pancreatic Duct as a Model for Endocrine and Exocrine Reprogramming and Proliferation

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Main Results:

  • Total gastrectomy significantly reduced pancreatic wet weight, DNA, and total protein content.
  • Pancreatic amylase and lipase levels were markedly decreased in the gastrectomy group.
  • These results indicate a retardation of pancreatic growth and function post-gastrectomy.

Conclusions:

  • Total gastrectomy in rats results in primary exocrine pancreatic insufficiency.
  • The stomach plays a significant role in regulating exocrine pancreatic function.
  • Disruption of gastric integrity can lead to functional pancreatic alterations.